Symbols And Annunciators - Extech Instruments EX503 User Manual

Controls and Jacks
1. 4,000 count LCD display
2. RANGE button
3. Hz and % button
4. Mode button
5. Function switch
6. mA, µA and 10A input jacks
7. COM input jack
8. Positive input jack
9. Backlight button
10. REL button
11. HOLD button
Note: Tilt stand and battery compartment are on rear of unit.

Symbols and Annunciators

•))) Continuity
Diode test
Battery status
-9
n nano (10 ) (capacitance)
-6
µ micro (10 ) (amps)
-3
m milli (10 ) (volts, amps)
A Amps
3
k kilo (10 ) (ohms)
F Farads (capacitance)
6
M mega (10 ) (ohms)

Ohms
Hz Hertz (frequency)
% Percent (duty ratio)
AC Alternating current
DC Direct current
V Volts
REL Relative
Auto Autoranging
HOLD Display hold
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